Re: [Xen-devel] [PATCH] Network Checksum Removal

[Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>]

On 23 May 2005, at 21:22, Ian Pratt wrote:

> > Maybe I'm being pessimistic though: Can you reproduce the
> > rather more impressive speedups that you previously saw, Jon?
> We should be getting some benefit on the receive path, where the
> checksum is normally forced to happen independent of a copy. Having 
> this
> offloaded to hardware should produce some measureable gain.
Ah, I forgot about that. But rx csum was not being toggled in the 
experiment.
The external bandwidth was definitely very low, so I guess there must 
be some other bottleneck in Bin's setup.
 -- Keir


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